/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraComponent.h
Sets a Niagara bool parameter by name, overriding locally if necessary.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Niagara, Meta=(DisplayName="Set Niagara Variable (Bool)", Keywords="user parameter variable bool")) void SetVariableBool ( [FName](API\Runtime\Core\UObject\FName) InVariableName, bool InValue )